Question - What are all the environment variables in Postman?
Answer -
A collection of key-value pairs is called an environment. Each name of the variable represents its keys. And referencing the name of the variable allows you to access its value.
It is a set of variables that differentiate among the requests. Such as, we can have an environment for testing, one for development and another for production. We can change the value of the variables to pass the data between requests and tests